<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="商品名" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入商品名"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="用户id" prop="userId">
        <el-input
          v-model="queryParams.userId"
          placeholder="请输入用户id"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="金额" prop="price">
        <el-input
          v-model="queryParams.price"
          placeholder="请输入金额"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="数量" prop="number">
        <el-input
          v-model="queryParams.number"
          placeholder="请输入数量"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="Plus"
          @click="handleAdd"
          v-hasPermi="['shopping_cart:shopping_cart:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="Edit"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['shopping_cart:shopping_cart:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="Delete"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['shopping_cart:shopping_cart:remove']"
        >删除</el-button>
      </el-col>

      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="Download"
          @click="handleExport"
          v-hasPermi="['shopping_cart:shopping_cart:export']"
        >导出</el-button>
      </el-col>

      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="Download"
          @click="payment"
          v-hasPermi="['shopping_markt:shopping_markt:pay']"
        >下单</el-button>
      </el-col>

      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="shopping_cartList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="商品名" align="center" prop="name" />
      <el-table-column label="商品图片" align="center" prop="image" width="100">
        <template #default="scope">
          <image-preview :src="scope.row.image" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="金额" align="center" prop="price" />
      <el-table-column label="数量" align="center" prop="number" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['shopping_cart:shopping_cart:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['shopping_cart:shopping_cart:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改购物车对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="shopping_cartRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="商品名" prop="name">
          <el-input v-model="form.name" placeholder="请输入商品名" />
        </el-form-item>
        <el-form-item label="商品图片" prop="image">
          <image-upload v-model="form.image"/>
        </el-form-item>
        <el-form-item label="用户id" prop="userId">
          <el-input v-model="form.userId" placeholder="请输入用户id" />
        </el-form-item>
        <el-form-item label="金额" prop="price">
          <el-input v-model="form.price" placeholder="请输入金额" />
        </el-form-item>
        <el-form-item label="数量" prop="number">
          <el-input v-model="form.number" placeholder="请输入数量" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>

    <!-- 添加或修改购物订单对话框 -->
    <el-dialog :title="title" v-model="openOrder" width="500px" append-to-body @selection-change="handleSelectionChange1" >
      <el-form ref="shopping_orderRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="姓名" prop="userName">
          <el-input v-model="form.userName" placeholder="请输入姓名" />
        </el-form-item>
        <el-form-item label="地址" prop="address">
          <el-input v-model="form.address" placeholder="请输入地址" />
        </el-form-item>
        <el-form-item label="电话" prop="phone">
          <el-input v-model="form.phone" placeholder="请输入电话" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitOrder">确 定</el-button>
          <el-button @click="cancel_order">取 消</el-button>
        </div>
      </template>
    </el-dialog>

  </div>
</template>

<script setup name="Shopping_cart">
import { listShopping_cart, getShopping_cart, delShopping_cart, addShopping_cart, updateShopping_cart } from "@/api/shopping_cart/shopping_cart";
import { listShopping_order, getShopping_order, delShopping_order, addShopping_order, updateShopping_order } from "@/api/shopping_order/shopping_order";


const { proxy } = getCurrentInstance();

const shopping_cartList = ref([]);
const open = ref(false);
const openOrder = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    name: null,
    image: null,
    userId: null,
    price: null,
    number: null,
  },
  rules: {
  }
});

const { queryParams, form, rules } = toRefs(data);

/** 查询购物车列表 */
function getList() {
  loading.value = true;
  listShopping_cart(queryParams.value).then(response => {
    shopping_cartList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

// 取消按钮
function cancel() {
  open.value = false;
  reset();
}

// 表单重置
function reset() {
  form.value = {
    id: null,
    name: null,
    image: null,
    userId: null,
    price: null,
    number: null,
    createTime: null
  };
  proxy.resetForm("shopping_cartRef");
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  handleQuery();
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
function handleAdd() {
  reset();
  open.value = true;
  title.value = "添加购物车";
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset();
  const _id = row.id || ids.value
  getShopping_cart(_id).then(response => {
    form.value = response.data;
    open.value = true;
    title.value = "修改购物车";
  });
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["shopping_cartRef"].validate(valid => {
    if (valid) {
      if (form.value.id != null) {
        updateShopping_cart(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        addShopping_cart(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.id || ids.value;
  proxy.$modal.confirm('是否确认删除购物车编号为"' + _ids + '"的数据项？').then(function() {
    return delShopping_cart(_ids);
  }).then(() => {
    getList();
    proxy.$modal.msgSuccess("删除成功");
  }).catch(() => {});
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('shopping_cart/shopping_cart/export', {
    ...queryParams.value
  }, `shopping_cart_${new Date().getTime()}.xlsx`)
}

getList();











// 多选框选中数据
function handleSelectionChange1(selection) {
  ids.value = selection.map(item => item.appointmentId);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

function payment(row) {
  reset1();
  openOrder.value = true;
  title.value = "填写订单信息";
   // 获取选中的商品
   const selectedItems = shopping_cartList.value.filter(item => ids.value.includes(item.id));
   // 计算选中商品的总金额
  let totalAmount = 0;
  selectedItems.forEach(item => {
    totalAmount += item.price * item.number;
  });

    // 将总金额赋值给 form.amount
    form.value.amount = totalAmount;


}
// 提交订单
function submitOrder() {
  proxy.$refs["shopping_orderRef"].validate(valid => {
    if (valid) {
      addShopping_order(form.value).then(response => {
        proxy.$modal.msgSuccess("订单提交成功");
        openOrder.value = false;
        // 可以在这里调用其他方法，例如清空购物车等
      });
    }
  });
}

function reset1() {
  form.value = {
    id: null,
    userName: null,
    address: null,
    phone: null,
    amount: null
  };
  proxy.resetForm("shopping_orderRef");
}

// 取消按钮
function cancel_order() {
  openOrder.value = false;
  reset1();
}
</script>
